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Inventories (Details) - Schedule of inventories - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule Of Inventories Abstract |  |
Raw materials | $ 1,971 | $ 4,395
Finished goods | 2,401 | 2,390
Less: write-down of obsolete inventories | (748) | (652)
Total inventories | $ 3,624 | $ 6,133

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